Absorbent core



FIG. 1 is a top view of an absorbent core;

FIG. 2 is a bottom view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image of the left side view;

FIG. 4 is a back view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a perspective view thereof.

The portion of the article depicted in broken lines is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for an absorbent core, as shown and described. 